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20142026
most citedSuperconvergence analysis of linear FEM based on the polynomial preserving recovery and Richardson extrapolation for Helmholtz equation with high wave number

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math.NA2016

Superconvergence analysis of DG-FEM based on the polynomial preserving recovery for Helmholtz equation with high wave number

Yu Du, Zhimin Zhang

We study superconvergence property of the linear discontinuous Galerkin finite element method with the polynomial preserving recovery (PPR) and Richardson extrapolation for the two…